package/binutils: fix comment dependencies

[Thomas: re-adjust dependencies, according to Yann's comment.]

Signed-off-by: Romain Naour <romain.naour@openwide.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/binutils/Config.in

@@ -23,4 +23,4 @@ endif
 
 comment "binutils needs a toolchain w/ wchar"
 	depends on !BR2_aarch64 && !BR2_nios2
-	depends on BR2_USE_WCHAR
+	depends on !BR2_USE_WCHAR